お伽噺は泡と消え

Oka, the manager of a ramen restaurant in Sapporo, has been in a friends-with-benefits relationship with his high school classmate, Akemi, ever since graduation. As much as they seem to have mutual feelings for one another, Oka is still hung up on the memory of his unrealized first love back in high school, while Akemi, shunned as the son of a yakuza family, has resolved to live his life in solitude. But just as Oka is trying to convince himself to finally let Akemi go and end their relationship, someone connected to his fleeting first love appears... (Source: Gentosha Comics, translated) Note: Includes an extra chapter.